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diff --git a/test/CodeGen/X86/xaluo.ll b/test/CodeGen/X86/xaluo.ll
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+; RUN: llc -mtriple=x86_64-darwin-unknown < %s | FileCheck %s --check-prefix=DAG
+; RUN: llc -mtriple=x86_64-darwin-unknown -fast-isel -fast-isel-abort < %s | FileCheck %s --check-prefix=FAST
+; RUN: llc -mtriple=x86_64-darwin-unknown < %s | FileCheck %s
+; RUN: llc -mtriple=x86_64-darwin-unknown -fast-isel -fast-isel-abort < %s | FileCheck %s
+
+;
+; Get the actual value of the overflow bit.
+;
+; SADDO reg, reg
+define zeroext i1 @saddo.i8(i8 signext %v1, i8 signext %v2, i8* %res) {
+entry:
+; DAG-LABEL: saddo.i8
+; DAG: addb %sil, %dil
+; DAG-NEXT: seto %al
+; FAST-LABEL: saddo.i8
+; FAST: addb %sil, %dil
+; FAST-NEXT: seto %al
+ %t = call {i8, i1} @llvm.sadd.with.overflow.i8(i8 %v1, i8 %v2)
+ %val = extractvalue {i8, i1} %t, 0
+ %obit = extractvalue {i8, i1} %t, 1
+ store i8 %val, i8* %res
+ ret i1 %obit
+}
+
+define zeroext i1 @saddo.i16(i16 %v1, i16 %v2, i16* %res) {
+entry:
+; DAG-LABEL: saddo.i16
+; DAG: addw %si, %di
+; DAG-NEXT: seto %al
+; FAST-LABEL: saddo.i16
+; FAST: addw %si, %di
+; FAST-NEXT: seto %al
+ %t = call {i16, i1} @llvm.sadd.with.overflow.i16(i16 %v1, i16 %v2)
+ %val = extractvalue {i16, i1} %t, 0
+ %obit = extractvalue {i16, i1} %t, 1
+ store i16 %val, i16* %res
+ ret i1 %obit
+}
+
+define zeroext i1 @saddo.i32(i32 %v1, i32 %v2, i32* %res) {
+entry:
+; DAG-LABEL: saddo.i32
+; DAG: addl %esi, %edi
+; DAG-NEXT: seto %al
+; FAST-LABEL: saddo.i32
+; FAST: addl %esi, %edi
+; FAST-NEXT: seto %al
+ %t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %v1, i32 %v2)
+ %val = extractvalue {i32, i1} %t, 0
+ %obit = extractvalue {i32, i1} %t, 1
+ store i32 %val, i32* %res
+ ret i1 %obit
+}
+
+define zeroext i1 @saddo.i64(i64 %v1, i64 %v2, i64* %res) {
+entry:
+; DAG-LABEL: saddo.i64
+; DAG: addq %rsi, %rdi
+; DAG-NEXT: seto %al
+; FAST-LABEL: saddo.i64
+; FAST: addq %rsi, %rdi
+; FAST-NEXT: seto %al
+ %t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 %v1, i64 %v2)
+ %val = extractvalue {i64, i1} %t, 0
+ %obit = extractvalue {i64, i1} %t, 1
+ store i64 %val, i64* %res
+ ret i1 %obit
+}
+
+; SADDO reg, imm | imm, reg
+; FIXME: INC isn't supported in FastISel yet
+define zeroext i1 @saddo.i64imm1(i64 %v1, i64* %res) {
+entry:
+; DAG-LABEL: saddo.i64imm1
+; DAG: incq %rdi
+; DAG-NEXT: seto %al
+; FAST-LABEL: saddo.i64imm1
+; FAST: addq $1, %rdi
+; FAST-NEXT: seto %al
+ %t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 %v1, i64 1)
+ %val = extractvalue {i64, i1} %t, 0
+ %obit = extractvalue {i64, i1} %t, 1
+ store i64 %val, i64* %res
+ ret i1 %obit
+}
+
+; FIXME: DAG doesn't optimize immediates on the LHS.
+define zeroext i1 @saddo.i64imm2(i64 %v1, i64* %res) {
+entry:
+; DAG-LABEL: saddo.i64imm2
+; DAG: mov
+; DAG-NEXT: addq
+; DAG-NEXT: seto
+; FAST-LABEL: saddo.i64imm2
+; FAST: addq $1, %rdi
+; FAST-NEXT: seto %al
+ %t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 1, i64 %v1)
+ %val = extractvalue {i64, i1} %t, 0
+ %obit = extractvalue {i64, i1} %t, 1
+ store i64 %val, i64* %res
+ ret i1 %obit
+}
+
+; Check boundary conditions for large immediates.
+define zeroext i1 @saddo.i64imm3(i64 %v1, i64* %res) {
+entry:
+; DAG-LABEL: saddo.i64imm3
+; DAG: addq $-2147483648, %rdi
+; DAG-NEXT: seto %al
+; FAST-LABEL: saddo.i64imm3
+; FAST: addq $-2147483648, %rdi
+; FAST-NEXT: seto %al
+ %t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 %v1, i64 -2147483648)
+ %val = extractvalue {i64, i1} %t, 0
+ %obit = extractvalue {i64, i1} %t, 1
+ store i64 %val, i64* %res
+ ret i1 %obit
+}
+
+define zeroext i1 @saddo.i64imm4(i64 %v1, i64* %res) {
+entry:
+; DAG-LABEL: saddo.i64imm4
+; DAG: movabsq $-21474836489, %[[REG:[a-z]+]]
+; DAG-NEXT: addq %rdi, %[[REG]]
+; DAG-NEXT: seto
+; FAST-LABEL: saddo.i64imm4
+; FAST: movabsq $-21474836489, %[[REG:[a-z]+]]
+; FAST-NEXT: addq %rdi, %[[REG]]
+; FAST-NEXT: seto
+ %t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 %v1, i64 -21474836489)
+ %val = extractvalue {i64, i1} %t, 0
+ %obit = extractvalue {i64, i1} %t, 1
+ store i64 %val, i64* %res
+ ret i1 %obit
+}
+
+define zeroext i1 @saddo.i64imm5(i64 %v1, i64* %res) {
+entry:
+; DAG-LABEL: saddo.i64imm5
+; DAG: addq $2147483647, %rdi
+; DAG-NEXT: seto
+; FAST-LABEL: saddo.i64imm5
+; FAST: addq $2147483647, %rdi
+; FAST-NEXT: seto
+ %t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 %v1, i64 2147483647)
+ %val = extractvalue {i64, i1} %t, 0
+ %obit = extractvalue {i64, i1} %t, 1
+ store i64 %val, i64* %res
+ ret i1 %obit
+}
+
+; TODO: FastISel shouldn't use movabsq.
+define zeroext i1 @saddo.i64imm6(i64 %v1, i64* %res) {
+entry:
+; DAG-LABEL: saddo.i64imm6
+; DAG: movl $2147483648, %ecx
+; DAG: addq %rdi, %rcx
+; DAG-NEXT: seto
+; FAST-LABEL: saddo.i64imm6
+; FAST: movabsq $2147483648, %[[REG:[a-z]+]]
+; FAST: addq %rdi, %[[REG]]
+; FAST-NEXT: seto
+ %t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 %v1, i64 2147483648)
+ %val = extractvalue {i64, i1} %t, 0
+ %obit = extractvalue {i64, i1} %t, 1
+ store i64 %val, i64* %res
+ ret i1 %obit
+}
+
+; UADDO
+define zeroext i1 @uaddo.i32(i32 %v1, i32 %v2, i32* %res) {
+entry:
+; DAG-LABEL: uaddo.i32
+; DAG: addl %esi, %edi
+; DAG-NEXT: setb %al
+; FAST-LABEL: uaddo.i32
+; FAST: addl %esi, %edi
+; FAST-NEXT: setb %al
+ %t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %v1, i32 %v2)
+ %val = extractvalue {i32, i1} %t, 0
+ %obit = extractvalue {i32, i1} %t, 1
+ store i32 %val, i32* %res
+ ret i1 %obit
+}
+
+define zeroext i1 @uaddo.i64(i64 %v1, i64 %v2, i64* %res) {
+entry:
+; DAG-LABEL: uaddo.i64
+; DAG: addq %rsi, %rdi
+; DAG-NEXT: setb %al
+; FAST-LABEL: uaddo.i64
+; FAST: addq %rsi, %rdi
+; FAST-NEXT: setb %al
+ %t = call {i64, i1} @llvm.uadd.with.overflow.i64(i64 %v1, i64 %v2)
+ %val = extractvalue {i64, i1} %t, 0
+ %obit = extractvalue {i64, i1} %t, 1
+ store i64 %val, i64* %res
+ ret i1 %obit
+}
+
+; SSUBO
+define zeroext i1 @ssubo.i32(i32 %v1, i32 %v2, i32* %res) {
+entry:
+; DAG-LABEL: ssubo.i32
+; DAG: subl %esi, %edi
+; DAG-NEXT: seto %al
+; FAST-LABEL: ssubo.i32
+; FAST: subl %esi, %edi
+; FAST-NEXT: seto %al
+ %t = call {i32, i1} @llvm.ssub.with.overflow.i32(i32 %v1, i32 %v2)
+ %val = extractvalue {i32, i1} %t, 0
+ %obit = extractvalue {i32, i1} %t, 1
+ store i32 %val, i32* %res
+ ret i1 %obit
+}
+
+define zeroext i1 @ssubo.i64(i64 %v1, i64 %v2, i64* %res) {
+entry:
+; DAG-LABEL: ssubo.i64
+; DAG: subq %rsi, %rdi
+; DAG-NEXT: seto %al
+; FAST-LABEL: ssubo.i64
+; FAST: subq %rsi, %rdi
+; FAST-NEXT: seto %al
+ %t = call {i64, i1} @llvm.ssub.with.overflow.i64(i64 %v1, i64 %v2)
+ %val = extractvalue {i64, i1} %t, 0
+ %obit = extractvalue {i64, i1} %t, 1
+ store i64 %val, i64* %res
+ ret i1 %obit
+}
+
+; USUBO
+define zeroext i1 @usubo.i32(i32 %v1, i32 %v2, i32* %res) {
+entry:
+; DAG-LABEL: usubo.i32
+; DAG: subl %esi, %edi
+; DAG-NEXT: setb %al
+; FAST-LABEL: usubo.i32
+; FAST: subl %esi, %edi
+; FAST-NEXT: setb %al
+ %t = call {i32, i1} @llvm.usub.with.overflow.i32(i32 %v1, i32 %v2)
+ %val = extractvalue {i32, i1} %t, 0
+ %obit = extractvalue {i32, i1} %t, 1
+ store i32 %val, i32* %res
+ ret i1 %obit
+}
+
+define zeroext i1 @usubo.i64(i64 %v1, i64 %v2, i64* %res) {
+entry:
+; DAG-LABEL: usubo.i64
+; DAG: subq %rsi, %rdi
+; DAG-NEXT: setb %al
+; FAST-LABEL: usubo.i64
+; FAST: subq %rsi, %rdi
+; FAST-NEXT: setb %al
+ %t = call {i64, i1} @llvm.usub.with.overflow.i64(i64 %v1, i64 %v2)
+ %val = extractvalue {i64, i1} %t, 0
+ %obit = extractvalue {i64, i1} %t, 1
+ store i64 %val, i64* %res
+ ret i1 %obit
+}
+
+; SMULO
+define zeroext i1 @smulo.i8(i8 %v1, i8 %v2, i8* %res) {
+entry:
+; FAST-LABEL: smulo.i8
+; FAST: movb %dil, %al
+; FAST-NEXT: imulb %sil
+; FAST-NEXT: seto %cl
+ %t = call {i8, i1} @llvm.smul.with.overflow.i8(i8 %v1, i8 %v2)
+ %val = extractvalue {i8, i1} %t, 0
+ %obit = extractvalue {i8, i1} %t, 1
+ store i8 %val, i8* %res
+ ret i1 %obit
+}
+
+define zeroext i1 @smulo.i16(i16 %v1, i16 %v2, i16* %res) {
+entry:
+; DAG-LABEL: smulo.i16
+; DAG: imulw %si, %di
+; DAG-NEXT: seto %al
+; FAST-LABEL: smulo.i16
+; FAST: imulw %si, %di
+; FAST-NEXT: seto %al
+ %t = call {i16, i1} @llvm.smul.with.overflow.i16(i16 %v1, i16 %v2)
+ %val = extractvalue {i16, i1} %t, 0
+ %obit = extractvalue {i16, i1} %t, 1
+ store i16 %val, i16* %res
+ ret i1 %obit
+}
+
+define zeroext i1 @smulo.i32(i32 %v1, i32 %v2, i32* %res) {
+entry:
+; DAG-LABEL: smulo.i32
+; DAG: imull %esi, %edi
+; DAG-NEXT: seto %al
+; FAST-LABEL: smulo.i32
+; FAST: imull %esi, %edi
+; FAST-NEXT: seto %al
+ %t = call {i32, i1} @llvm.smul.with.overflow.i32(i32 %v1, i32 %v2)
+ %val = extractvalue {i32, i1} %t, 0
+ %obit = extractvalue {i32, i1} %t, 1
+ store i32 %val, i32* %res
+ ret i1 %obit
+}
+
+define zeroext i1 @smulo.i64(i64 %v1, i64 %v2, i64* %res) {
+entry:
+; DAG-LABEL: smulo.i64
+; DAG: imulq %rsi, %rdi
+; DAG-NEXT: seto %al
+; FAST-LABEL: smulo.i64
+; FAST: imulq %rsi, %rdi
+; FAST-NEXT: seto %al
+ %t = call {i64, i1} @llvm.smul.with.overflow.i64(i64 %v1, i64 %v2)
+ %val = extractvalue {i64, i1} %t, 0
+ %obit = extractvalue {i64, i1} %t, 1
+ store i64 %val, i64* %res
+ ret i1 %obit
+}
+
+; UMULO
+define zeroext i1 @umulo.i8(i8 %v1, i8 %v2, i8* %res) {
+entry:
+; FAST-LABEL: umulo.i8
+; FAST: movb %dil, %al
+; FAST-NEXT: mulb %sil
+; FAST-NEXT: seto %cl
+ %t = call {i8, i1} @llvm.umul.with.overflow.i8(i8 %v1, i8 %v2)
+ %val = extractvalue {i8, i1} %t, 0
+ %obit = extractvalue {i8, i1} %t, 1
+ store i8 %val, i8* %res
+ ret i1 %obit
+}
+
+define zeroext i1 @umulo.i16(i16 %v1, i16 %v2, i16* %res) {
+entry:
+; DAG-LABEL: umulo.i16
+; DAG: mulw %si
+; DAG-NEXT: seto
+; FAST-LABEL: umulo.i16
+; FAST: mulw %si
+; FAST-NEXT: seto
+ %t = call {i16, i1} @llvm.umul.with.overflow.i16(i16 %v1, i16 %v2)
+ %val = extractvalue {i16, i1} %t, 0
+ %obit = extractvalue {i16, i1} %t, 1
+ store i16 %val, i16* %res
+ ret i1 %obit
+}
+
+define zeroext i1 @umulo.i32(i32 %v1, i32 %v2, i32* %res) {
+entry:
+; DAG-LABEL: umulo.i32
+; DAG: mull %esi
+; DAG-NEXT: seto
+; FAST-LABEL: umulo.i32
+; FAST: mull %esi
+; FAST-NEXT: seto
+ %t = call {i32, i1} @llvm.umul.with.overflow.i32(i32 %v1, i32 %v2)
+ %val = extractvalue {i32, i1} %t, 0
+ %obit = extractvalue {i32, i1} %t, 1
+ store i32 %val, i32* %res
+ ret i1 %obit
+}
+
+define zeroext i1 @umulo.i64(i64 %v1, i64 %v2, i64* %res) {
+entry:
+; DAG-LABEL: umulo.i64
+; DAG: mulq %rsi
+; DAG-NEXT: seto
+; FAST-LABEL: umulo.i64
+; FAST: mulq %rsi
+; FAST-NEXT: seto
+ %t = call {i64, i1} @llvm.umul.with.overflow.i64(i64 %v1, i64 %v2)
+ %val = extractvalue {i64, i1} %t, 0
+ %obit = extractvalue {i64, i1} %t, 1
+ store i64 %val, i64* %res
+ ret i1 %obit
+}
+
+;
+; Check the use of the overflow bit in combination with a select instruction.
+;
+define i32 @saddo.select.i32(i32 %v1, i32 %v2) {
+entry:
+; CHECK-LABEL: saddo.select.i32
+; CHECK: addl %esi, %eax
+; CHECK-NEXT: cmovol %edi, %esi
+ %t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %v1, i32 %v2)
+ %obit = extractvalue {i32, i1} %t, 1
+ %ret = select i1 %obit, i32 %v1, i32 %v2
+ ret i32 %ret
+}
+
+define i64 @saddo.select.i64(i64 %v1, i64 %v2) {
+entry:
+; CHECK-LABEL: saddo.select.i64
+; CHECK: addq %rsi, %rax
+; CHECK-NEXT: cmovoq %rdi, %rsi
+ %t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 %v1, i64 %v2)
+ %obit = extractvalue {i64, i1} %t, 1
+ %ret = select i1 %obit, i64 %v1, i64 %v2
+ ret i64 %ret
+}
+
+define i32 @uaddo.select.i32(i32 %v1, i32 %v2) {
+entry:
+; CHECK-LABEL: uaddo.select.i32
+; CHECK: addl %esi, %eax
+; CHECK-NEXT: cmovbl %edi, %esi
+ %t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %v1, i32 %v2)
+ %obit = extractvalue {i32, i1} %t, 1
+ %ret = select i1 %obit, i32 %v1, i32 %v2
+ ret i32 %ret
+}
+
+define i64 @uaddo.select.i64(i64 %v1, i64 %v2) {
+entry:
+; CHECK-LABEL: uaddo.select.i64
+; CHECK: addq %rsi, %rax
+; CHECK-NEXT: cmovbq %rdi, %rsi
+ %t = call {i64, i1} @llvm.uadd.with.overflow.i64(i64 %v1, i64 %v2)
+ %obit = extractvalue {i64, i1} %t, 1
+ %ret = select i1 %obit, i64 %v1, i64 %v2
+ ret i64 %ret
+}
+
+define i32 @ssubo.select.i32(i32 %v1, i32 %v2) {
+entry:
+; CHECK-LABEL: ssubo.select.i32
+; CHECK: cmpl %esi, %edi
+; CHECK-NEXT: cmovol %edi, %esi
+ %t = call {i32, i1} @llvm.ssub.with.overflow.i32(i32 %v1, i32 %v2)
+ %obit = extractvalue {i32, i1} %t, 1
+ %ret = select i1 %obit, i32 %v1, i32 %v2
+ ret i32 %ret
+}
+
+define i64 @ssubo.select.i64(i64 %v1, i64 %v2) {
+entry:
+; CHECK-LABEL: ssubo.select.i64
+; CHECK: cmpq %rsi, %rdi
+; CHECK-NEXT: cmovoq %rdi, %rsi
+ %t = call {i64, i1} @llvm.ssub.with.overflow.i64(i64 %v1, i64 %v2)
+ %obit = extractvalue {i64, i1} %t, 1
+ %ret = select i1 %obit, i64 %v1, i64 %v2
+ ret i64 %ret
+}
+
+define i32 @usubo.select.i32(i32 %v1, i32 %v2) {
+entry:
+; CHECK-LABEL: usubo.select.i32
+; CHECK: cmpl %esi, %edi
+; CHECK-NEXT: cmovbl %edi, %esi
+ %t = call {i32, i1} @llvm.usub.with.overflow.i32(i32 %v1, i32 %v2)
+ %obit = extractvalue {i32, i1} %t, 1
+ %ret = select i1 %obit, i32 %v1, i32 %v2
+ ret i32 %ret
+}
+
+define i64 @usubo.select.i64(i64 %v1, i64 %v2) {
+entry:
+; CHECK-LABEL: usubo.select.i64
+; CHECK: cmpq %rsi, %rdi
+; CHECK-NEXT: cmovbq %rdi, %rsi
+ %t = call {i64, i1} @llvm.usub.with.overflow.i64(i64 %v1, i64 %v2)
+ %obit = extractvalue {i64, i1} %t, 1
+ %ret = select i1 %obit, i64 %v1, i64 %v2
+ ret i64 %ret
+}
+
+define i32 @smulo.select.i32(i32 %v1, i32 %v2) {
+entry:
+; CHECK-LABEL: smulo.select.i32
+; CHECK: imull %esi, %eax
+; CHECK-NEXT: cmovol %edi, %esi
+ %t = call {i32, i1} @llvm.smul.with.overflow.i32(i32 %v1, i32 %v2)
+ %obit = extractvalue {i32, i1} %t, 1
+ %ret = select i1 %obit, i32 %v1, i32 %v2
+ ret i32 %ret
+}
+
+define i64 @smulo.select.i64(i64 %v1, i64 %v2) {
+entry:
+; CHECK-LABEL: smulo.select.i64
+; CHECK: imulq %rsi, %rax
+; CHECK-NEXT: cmovoq %rdi, %rsi
+ %t = call {i64, i1} @llvm.smul.with.overflow.i64(i64 %v1, i64 %v2)
+ %obit = extractvalue {i64, i1} %t, 1
+ %ret = select i1 %obit, i64 %v1, i64 %v2
+ ret i64 %ret
+}
+
+define i32 @umulo.select.i32(i32 %v1, i32 %v2) {
+entry:
+; CHECK-LABEL: umulo.select.i32
+; CHECK: mull %esi
+; CHECK-NEXT: cmovol %edi, %esi
+ %t = call {i32, i1} @llvm.umul.with.overflow.i32(i32 %v1, i32 %v2)
+ %obit = extractvalue {i32, i1} %t, 1
+ %ret = select i1 %obit, i32 %v1, i32 %v2
+ ret i32 %ret
+}
+
+define i64 @umulo.select.i64(i64 %v1, i64 %v2) {
+entry:
+; CHECK-LABEL: umulo.select.i64
+; CHECK: mulq %rsi
+; CHECK-NEXT: cmovoq %rdi, %rsi
+ %t = call {i64, i1} @llvm.umul.with.overflow.i64(i64 %v1, i64 %v2)
+ %obit = extractvalue {i64, i1} %t, 1
+ %ret = select i1 %obit, i64 %v1, i64 %v2
+ ret i64 %ret
+}
+
+
+;
+; Check the use of the overflow bit in combination with a branch instruction.
+;
+define zeroext i1 @saddo.br.i32(i32 %v1, i32 %v2) {
+entry:
+; CHECK-LABEL: saddo.br.i32
+; CHECK: addl %esi, %edi
+; CHECK-NEXT: jo
+ %t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %v1, i32 %v2)
+ %val = extractvalue {i32, i1} %t, 0
+ %obit = extractvalue {i32, i1} %t, 1
+ br i1 %obit, label %overflow, label %continue, !prof !0
+
+overflow:
+ ret i1 false
+
+continue:
+ ret i1 true
+}
+
+define zeroext i1 @saddo.br.i64(i64 %v1, i64 %v2) {
+entry:
+; CHECK-LABEL: saddo.br.i64
+; CHECK: addq %rsi, %rdi
+; CHECK-NEXT: jo
+ %t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 %v1, i64 %v2)
+ %val = extractvalue {i64, i1} %t, 0
+ %obit = extractvalue {i64, i1} %t, 1
+ br i1 %obit, label %overflow, label %continue, !prof !0
+
+overflow:
+ ret i1 false
+
+continue:
+ ret i1 true
+}
+
+define zeroext i1 @uaddo.br.i32(i32 %v1, i32 %v2) {
+entry:
+; CHECK-LABEL: uaddo.br.i32
+; CHECK: addl %esi, %edi
+; CHECK-NEXT: jb
+ %t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %v1, i32 %v2)
+ %val = extractvalue {i32, i1} %t, 0
+ %obit = extractvalue {i32, i1} %t, 1
+ br i1 %obit, label %overflow, label %continue, !prof !0
+
+overflow:
+ ret i1 false
+
+continue:
+ ret i1 true
+}
+
+define zeroext i1 @uaddo.br.i64(i64 %v1, i64 %v2) {
+entry:
+; CHECK-LABEL: uaddo.br.i64
+; CHECK: addq %rsi, %rdi
+; CHECK-NEXT: jb
+ %t = call {i64, i1} @llvm.uadd.with.overflow.i64(i64 %v1, i64 %v2)
+ %val = extractvalue {i64, i1} %t, 0
+ %obit = extractvalue {i64, i1} %t, 1
+ br i1 %obit, label %overflow, label %continue, !prof !0
+
+overflow:
+ ret i1 false
+
+continue:
+ ret i1 true
+}
+
+define zeroext i1 @ssubo.br.i32(i32 %v1, i32 %v2) {
+entry:
+; CHECK-LABEL: ssubo.br.i32
+; CHECK: cmpl %esi, %edi
+; CHECK-NEXT: jo
+ %t = call {i32, i1} @llvm.ssub.with.overflow.i32(i32 %v1, i32 %v2)
+ %val = extractvalue {i32, i1} %t, 0
+ %obit = extractvalue {i32, i1} %t, 1
+ br i1 %obit, label %overflow, label %continue, !prof !0
+
+overflow:
+ ret i1 false
+
+continue:
+ ret i1 true
+}
+
+define zeroext i1 @ssubo.br.i64(i64 %v1, i64 %v2) {
+entry:
+; CHECK-LABEL: ssubo.br.i64
+; CHECK: cmpq %rsi, %rdi
+; CHECK-NEXT: jo
+ %t = call {i64, i1} @llvm.ssub.with.overflow.i64(i64 %v1, i64 %v2)
+ %val = extractvalue {i64, i1} %t, 0
+ %obit = extractvalue {i64, i1} %t, 1
+ br i1 %obit, label %overflow, label %continue, !prof !0
+
+overflow:
+ ret i1 false
+
+continue:
+ ret i1 true
+}
+
+define zeroext i1 @usubo.br.i32(i32 %v1, i32 %v2) {
+entry:
+; CHECK-LABEL: usubo.br.i32
+; CHECK: cmpl %esi, %edi
+; CHECK-NEXT: jb
+ %t = call {i32, i1} @llvm.usub.with.overflow.i32(i32 %v1, i32 %v2)
+ %val = extractvalue {i32, i1} %t, 0
+ %obit = extractvalue {i32, i1} %t, 1
+ br i1 %obit, label %overflow, label %continue, !prof !0
+
+overflow:
+ ret i1 false
+
+continue:
+ ret i1 true
+}
+
+define zeroext i1 @usubo.br.i64(i64 %v1, i64 %v2) {
+entry:
+; CHECK-LABEL: usubo.br.i64
+; CHECK: cmpq %rsi, %rdi
+; CHECK-NEXT: jb
+ %t = call {i64, i1} @llvm.usub.with.overflow.i64(i64 %v1, i64 %v2)
+ %val = extractvalue {i64, i1} %t, 0
+ %obit = extractvalue {i64, i1} %t, 1
+ br i1 %obit, label %overflow, label %continue, !prof !0
+
+overflow:
+ ret i1 false
+
+continue:
+ ret i1 true
+}
+
+define zeroext i1 @smulo.br.i32(i32 %v1, i32 %v2) {
+entry:
+; CHECK-LABEL: smulo.br.i32
+; CHECK: imull %esi, %edi
+; CHECK-NEXT: jo
+ %t = call {i32, i1} @llvm.smul.with.overflow.i32(i32 %v1, i32 %v2)
+ %val = extractvalue {i32, i1} %t, 0
+ %obit = extractvalue {i32, i1} %t, 1
+ br i1 %obit, label %overflow, label %continue, !prof !0
+
+overflow:
+ ret i1 false
+
+continue:
+ ret i1 true
+}
+
+define zeroext i1 @smulo.br.i64(i64 %v1, i64 %v2) {
+entry:
+; CHECK-LABEL: smulo.br.i64
+; CHECK: imulq %rsi, %rdi
+; CHECK-NEXT: jo
+ %t = call {i64, i1} @llvm.smul.with.overflow.i64(i64 %v1, i64 %v2)
+ %val = extractvalue {i64, i1} %t, 0
+ %obit = extractvalue {i64, i1} %t, 1
+ br i1 %obit, label %overflow, label %continue, !prof !0
+
+overflow:
+ ret i1 false
+
+continue:
+ ret i1 true
+}
+
+define zeroext i1 @umulo.br.i32(i32 %v1, i32 %v2) {
+entry:
+; CHECK-LABEL: umulo.br.i32
+; CHECK: mull %esi
+; CHECK-NEXT: jo
+ %t = call {i32, i1} @llvm.umul.with.overflow.i32(i32 %v1, i32 %v2)
+ %val = extractvalue {i32, i1} %t, 0
+ %obit = extractvalue {i32, i1} %t, 1
+ br i1 %obit, label %overflow, label %continue, !prof !0
+
+overflow:
+ ret i1 false
+
+continue:
+ ret i1 true
+}
+
+define zeroext i1 @umulo.br.i64(i64 %v1, i64 %v2) {
+entry:
+; CHECK-LABEL: umulo.br.i64
+; CHECK: mulq %rsi
+; CHECK-NEXT: jo
+ %t = call {i64, i1} @llvm.umul.with.overflow.i64(i64 %v1, i64 %v2)
+ %val = extractvalue {i64, i1} %t, 0
+ %obit = extractvalue {i64, i1} %t, 1
+ br i1 %obit, label %overflow, label %continue, !prof !0
+
+overflow:
+ ret i1 false
+
+continue:
+ ret i1 true
+}
+
+declare {i8, i1} @llvm.sadd.with.overflow.i8 (i8, i8 ) nounwind readnone
+declare {i16, i1} @llvm.sadd.with.overflow.i16(i16, i16) nounwind readnone
+declare {i32, i1} @llvm.sadd.with.overflow.i32(i32, i32) nounwind readnone
+declare {i64, i1} @llvm.sadd.with.overflow.i64(i64, i64) nounwind readnone
+declare {i32, i1} @llvm.uadd.with.overflow.i32(i32, i32) nounwind readnone
+declare {i64, i1} @llvm.uadd.with.overflow.i64(i64, i64) nounwind readnone
+declare {i32, i1} @llvm.ssub.with.overflow.i32(i32, i32) nounwind readnone
+declare {i64, i1} @llvm.ssub.with.overflow.i64(i64, i64) nounwind readnone
+declare {i32, i1} @llvm.usub.with.overflow.i32(i32, i32) nounwind readnone
+declare {i64, i1} @llvm.usub.with.overflow.i64(i64, i64) nounwind readnone
+declare {i8, i1} @llvm.smul.with.overflow.i8 (i8, i8 ) nounwind readnone
+declare {i16, i1} @llvm.smul.with.overflow.i16(i16, i16) nounwind readnone
+declare {i32, i1} @llvm.smul.with.overflow.i32(i32, i32) nounwind readnone
+declare {i64, i1} @llvm.smul.with.overflow.i64(i64, i64) nounwind readnone
+declare {i8, i1} @llvm.umul.with.overflow.i8 (i8, i8 ) nounwind readnone
+declare {i16, i1} @llvm.umul.with.overflow.i16(i16, i16) nounwind readnone
+declare {i32, i1} @llvm.umul.with.overflow.i32(i32, i32) nounwind readnone
+declare {i64, i1} @llvm.umul.with.overflow.i64(i64, i64) nounwind readnone
+
+!0 = metadata !{metadata !"branch_weights", i32 0, i32 2147483647}
generated by cgit v1.1 at 2024-05-19 07:02:11 +0000